Marry a good woman, and be happy the rest of your life. Or, marry a bad, and become a good philosopher
The unexamined life is not worth living.
Let us follow the truth whither so ever it leads.
Admitting one's ignorance is the first step in acquiring knowledge.
The noblest worship is to make yourself as good and as just as you can.
Life without enquiry is not worth living for a man.